Rename platform-independent ConstrainedWindow types to WebContentsModalDialog types (part 1)

chrome/browser/ui/cocoa/constrained_window/constrained_window_custom_window.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CHROME_BROWSER_UI_COCOA_CONSTRAINED_WINDOW_CONSTRAINED_WINDOW_CUSTOM_WINDOW_H_
 #define CHROME_BROWSER_UI_COCOA_CONSTRAINED_WINDOW_CONSTRAINED_WINDOW_CUSTOM_WINDOW_H_
 
 #import <Cocoa/Cocoa.h>
 
 #import "chrome/browser/ui/cocoa/chrome_event_processing_window.h"
 
 // A NSWindow subclass that gives a custom look (rounded corners and white
 // background).
 //
-// Unfortunately the word "window" here is overused. ConstrainedWindow is the
-// tab modal dialog controller. ConstrainedWindowCustomWindow is the custom
-// NSWindow that gives us the new look (rounded corners and white background).
+// Note that WebContentsModalDialog is the web contents modal dialog
+// controller. ConstrainedWindowCustomWindow is the custom NSWindow that gives
+// us the new look (rounded corners and white background).
 //
-// If a ConstrainedWindow is using ConstrainedWindowAlert to display its UI
+// If a WebContentsModalDialog is using ConstrainedWindowAlert to display its UI
 // then it doesn't have to use this class. On the other hand, if it has some
 // custom UI (say from a nib) then it should use this class.
 @interface ConstrainedWindowCustomWindow : ChromeEventProcessingWindow
 
 // Initializes the window with the given content rect.
 - (id)initWithContentRect:(NSRect)contentRect;
 
 @end
 
 // The content view for the custom window.
 @interface ConstrainedWindowCustomWindowContentView : NSView
 @end
 
 #endif  // CHROME_BROWSER_UI_COCOA_CONSTRAINED_WINDOW_CONSTRAINED_WINDOW_CUSTOM_WINDOW_H_